Sint Maartenszee Weather in September

September in Sint Maartenszee brings pleasant temperatures, with daytime highs of 19°C (66°F) and nights around 14°C (57°F). Quite a bit of rainfall is expected, around 102 mm (4 in), so pack an umbrella.

Rainfall in Sint Maartenszee in September

Historically, the month has about 16 days of rain, averaging 102 mm (4 in) in total. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.

Temperature in Sint Maartenszee in September

Temperatures in Sint Maartenszee in September top out at 19°C (66°F) and drop to 14°C (57°F) overnight. September is known for being in the summer season. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights cool down to 14°C (57°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Sint Maartenszee in September

The city usually sees around 141 hours of sunlight, indicating a moderately sunny period.

Wind Speed in Sint Maartenszee in September

September sees wind speeds averaging 6 m/s (12 knots). You'll experience strong winds that cause whole trees to sway and require effort when walking against them. As an average, expect variation from moderate breezes to particularly windy days that affect daily routines.

Average water temperature in September

At 16°C (61°F), the water is cool but manageable for those who don't mind a bit of a shock getting in. Most people adjust after a few minutes.

If your ideal day consists of dry skies and pleasant temperatures, July and August typically offer the best circumstances for Sint Maartenszee.